redução dos linfócitos t-cd8+ citotóxicos observada com a terapia puva em paciente com vitiligo reduction of cytotoxic t-cd8+ lymphocytes observed during puva therapy in a patient with vitiligo

redução dos linfócitos t-cd8+ citotóxicos observada com a terapia puva em paciente com vitiligo reduction of cytotoxic t-cd8+ lymphocytes observed during puva therapy in a patient with vitiligo

;Daniela Pereira Antelo;Absalom Lima Filgueira;José Marcos Telles da Cunha
Theriogenology 2008 Vol. 83 pp. 572-574
194
antelo2008anaisreduo

Abstract

Na patogênese do vitiligo tem-se enfatizado o papel das células T citotóxicas. Identificadas pelo antígeno linfocitário cutâneo (CLA), essas células já foram descritas no sangue de pacientes com outras dermatoses e podem ser depletadas pela fototerapia concomitantemente à melhora clínica. Descreve-se caso de vitiligo generalizado com melhora clínica expressiva após Puva, no qual houve redução de 25% dos linfócitos T CD8+-CLA+ circulantes.
The role of cytotoxic T cells (CD8+) has been emphasized in the pathogenesis of vitiligo. This cell population, identified by a skin homing molecule (cutaneous lymphocyte associated antigen Â- CLA), has been described in patients with other dermatoses and can be reduced with phototherapy. The authors present the case of a patient with generalized vitiligo and clinical recovery after PUVA parallel to a 25% reduction in CD8+-CLA+ T cells in the peripheral blood.

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